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A075316
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Pair the natural numbers such that the n-th pair is (k, k+p(n)) where k is the smallest number not occurring earlier and p(n) is the n-th prime. (1, 3), (2, 5), (4, 9), (6, 13), (7, 18), (8, 21), (10, 27), (11, 30), (12, 35), (14, 43), ... This is the sequence of the product of the members of every pair.
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3
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3, 10, 36, 78, 126, 168, 270, 330, 420, 602, 690, 848, 986, 1178, 1340, 1650, 1886, 2040, 2300, 2522, 2828, 3132, 3534, 3872, 4290, 4590, 5004, 5328, 5586, 5928, 6680, 7052, 7518, 8052, 8730, 9306, 9840, 10388, 10850, 11424, 12012, 12690, 13530
(list; graph; refs; listen; history; internal format)
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